Sesbania bispinosa (Jacq.) W. Wight is a tropical vegetable belonging to the Leguminosae family, whose origin is uncertain. Still, maybe it is from the Indian subcontinent (Orwa et al., 2009). This species has been introduced in Algeria, more precisely in the Biskra province (South Algeria), where the pedoclimatic conditions are harsh. The station of the ITIDAS (Technical Institute for the Development of Saharan Agriculture) led within the framework of the cooperation project with ACSAD (Applied research program on the use of

The present study was carried and knowledge of arthropods which are successfully infecting a plant newly introduced in Algeria in this case Sesbania acuelata. are collected using three methods: pitful The survey resulted in the retri families and 13 orders. The results thus obtained showed a predominance of the order Hymenoptera followed by Diptera and Orthoptera. The Order of the acari is the least represented. For a better qualitative and quantitative analysis of the species identified, numerous ecological indices were used. The extract obtained was analyzed, under o identification of seven phenolic compounds which are ascorbic acid, gallic acid, chlorogenic acid, caffeic acid, and Vanillin considered as a plant of pharmaceutical utility of great importance in addition to the other virtues.